<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Attendance Stats</title>
    <link rel="stylesheet" href="styles.css">
    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
</head>
<body>
<h1>出勤和缺勤统计</h1>
<div id="chart-container" style="width: 80%; margin: 0 auto;">
    <canvas id="attendance-chart"></canvas>
</div>
<script src="script.js"></script>
</body>
</html>